Tire sidewall



FIG. 1 is a perspective view of a tire sidewall showing our new design;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is an enlarged fragmentary perspective view thereof.

The broken lines in the drawings illustrate portions of the tire sidewall that form no part of the claimed design. 

CLAIM The ornamental Design for a tire sidewall, as shown and described. 